/* $Id: cmd-list.c,v 1.5 2009-05-04 17:58:26 nicm Exp $ */ /* * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <sys/types.h> #include <string.h> #include "tmux.h" struct cmd_list * cmd_list_parse(int argc, char **argv, char **cause) { struct cmd_list *cmdlist; struct cmd *cmd; int i, lastsplit; size_t arglen, new_argc; char **new_argv; cmdlist = xmalloc(sizeof *cmdlist); TAILQ_INIT(cmdlist); lastsplit = 0; for (i = 0; i < argc; i++) { arglen = strlen(argv[i]); if (arglen == 0 || argv[i][arglen - 1] != ';') continue; argv[i][arglen - 1] = '\0'; if (arglen > 1 && argv[i][arglen - 2] == '\\') { argv[i][arglen - 2] = ';'; continue; } new_argc = i - lastsplit; new_argv = argv + lastsplit; if (arglen != 1) new_argc++; cmd = cmd_parse(new_argc, new_argv, cause); if (cmd == NULL) goto bad; TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); lastsplit = i + 1; } if (lastsplit != argc) { cmd = cmd_parse(argc - lastsplit, argv + lastsplit, cause); if (cmd == NULL) goto bad; TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); } return (cmdlist); bad: cmd_list_free(cmdlist); return (NULL); } int cmd_list_exec(struct cmd_list *cmdlist, struct cmd_ctx *ctx) { struct cmd *cmd; int n; TAILQ_FOREACH(cmd, cmdlist, qentry) { if ((n = cmd_exec(cmd, ctx)) != 0) return (n); } return (0); } void cmd_list_send(struct cmd_list *cmdlist, struct buffer *b) { struct cmd *cmd; u_int n; n = 0; TAILQ_FOREACH(cmd, cmdlist, qentry) n++; buffer_write(b, &n, sizeof n); TAILQ_FOREACH(cmd, cmdlist, qentry) cmd_send(cmd, b); } struct cmd_list * cmd_list_recv(struct buffer *b) { struct cmd_list *cmdlist; struct cmd *cmd; u_int n; buffer_read(b, &n, sizeof n); cmdlist = xmalloc(sizeof *cmdlist); TAILQ_INIT(cmdlist); while (n-- > 0) { cmd = cmd_recv(b); TAILQ_INSERT_TAIL(cmdlist, cmd, qentry); } return (cmdlist); } void cmd_list_free(struct cmd_list *cmdlist) { struct cmd *cmd; while (!TAILQ_EMPTY(cmdlist)) { cmd = TAILQ_FIRST(cmdlist); TAILQ_REMOVE(cmdlist, cmd, qentry); cmd_free(cmd); } xfree(cmdlist); } size_t cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len) { struct cmd *cmd; size_t off; off = 0; TAILQ_FOREACH(cmd, cmdlist, qentry) { if (off >= len) break; off += cmd_print(cmd, buf + off, len - off); if (off >= len) break; if (TAILQ_NEXT(cmd, qentry) != NULL) off += xsnprintf(buf + off, len - off, " ; "); } return (off); }